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50405-39-5

50405-39-5 structure

50405-39-5 structure

Name: 1-bromobut-1-yne
Chemical Name: 1-bromobut-1-yne
CAS Number: 50405-39-5
Molecular Formula: C₄H₅Br
Molecular Weight: 132.98600
Create Date: 2018-08-08 20:35:55
Modify Date: 2025-08-25 12:42:44

Name	1-bromobut-1-yne
Synonyms	1-Butyne,1-bromo 1-Brom-but-1-in 1-bromobutyne 1-BROMO-1-BUTYNE 1-bromo-but-1-yne butynyl bromide

Density	1.461g/cm3
Boiling Point	104.256ºC at 760 mmHg
Molecular Formula	C₄H₅Br
Molecular Weight	132.98600
Flash Point	21.683ºC
Exact Mass	131.95700
LogP	1.75220
Index of Refraction	1.49

HS Code	2903399090

107-00-6 structure

107-00-6

~85%

50405-39-5 structure

50405-39-5

Literature: Brandsma; Verkruijsse Synthesis, 1990 , # 11 p. 984 - 985

73383-24-1 structure

73383-24-1

~%

50405-39-5 structure

50405-39-5

Literature: Fan, Xuesen; He, Yan; Zhang, Xinying; Guo, Shenghai; Wang, Yangyang Tetrahedron, 2011 , vol. 67, # 34 p. 6369 - 6374

Precursor 2
107-00-6 73383-24-1
DownStream 5
10160-11-9 71-36-3 33189-72-9 17229-76-4
71673-31-9

HS Code	2903399090
Summary	2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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